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Calcium channel antagonists in hypertension
1Department of Clinical Pharmacology and Medical Therapy, University of Bologna, Italy.
Insights
Calcium entry-blockers effectively treat high blood pressure by reducing vascular resistance. They are valuable for elderly patients and those with specific conditions like heart disease or hypertension during pregnancy.
Area of Science:
- Pharmacology
- Cardiovascular Medicine
- Nephrology
Background:
- Hypertension is characterized by increased peripheral vascular resistance.
- Effective antihypertensive agents are crucial for managing cardiovascular risk.
Purpose of the Study:
- To review the clinical utility of calcium entry-blockers in managing hypertension.
- To highlight their role in specific patient populations and conditions.
Main Methods:
- Literature review of clinical studies and therapeutic guidelines.
- Analysis of hemodynamic effects and clinical outcomes.
Main Results:
- Calcium entry-blockers address the primary hemodynamic issue in hypertension: increased peripheral vascular resistance.
- They demonstrate efficacy as monotherapy or combination therapy for diverse hypertensive conditions.
- These agents are particularly beneficial for elderly patients, those with ischemic heart disease, pulmonary obstructive disease, peripheral vascular disease, and supraventricular arrhythmias.
Conclusions:
- Calcium entry-blockers are versatile antihypertensive agents.
- They are recommended for hypertension in the elderly, associated comorbidities, pregnancy-associated hypertension, and hypertensive crisis.
Abstract:
The clinical usefulness of calcium entry-blockers for the treatment of high blood pressure is related to their capacity to act upon the primary hemodynamic derangement in hypertension: the increased peripheral vascular resistance. They can be used alone or in combination with other antihypertensive agents for the treatment of various forms of hypertensive disease. The calcium entry-blockers appear to be the most useful agents for the treatment of hypertension in the elderly and for the treatment of hypertension associated with ischemic heart disease, pulmonary obstructive disease, peripheral vascular disease, and supraventricular arrhythmias. They are effective in reducing blood pressure in pregnancy-associated hypertension and must be considered as first-line therapy for the treatment of hypertensive crisis.